Analysis

  • max time kernel
    599s
  • max time network
    482s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/08/2026, 03:13

General

  • Target
    res/External/Redistributables/2005/vcredist_x86_2005.sp1.exe
  • Size 2.6MB
  • Sample260823-dq8dssxset
  • SHA256 8648c5fc29c44b9112fe52f9a33f80e7fc42d10f3b5b42b2121542a13e44adfd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 61 IoCs
  • Loads dropped DLL 1 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 56 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\res\External\Redistributables\2005\vcredist_x86_2005.sp1.exe
    "C:\Users\Admin\AppData\Local\Temp\res\External\Redistributables\2005\vcredist_x86_2005.sp1.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4464
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec /i vcredist.msi
      2⤵
      • Enumerates connected drives
      • Event Triggered Execution: Installer Packages
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:5964
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4868
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4468
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding DEC012C7781705CD2AC6722A012E6DA2
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3760
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:5688
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:6060

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          vcredis1.cab

          • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vcredis1.cab
          • Size 247KB
          • SHA256 913ee5a1cae3e5a1872b3a5efaaa00c58e4beb692492b138f76967da671b0477
          • MD5 SHA1 SHA512 SSDEEP TLSH

          vcredist.msi

          • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vcredist.msi
          • Size 2.6MB
          • SHA256 91bdd063f6c53126737791c9eccf0b2f4cf44927831527245bc89a0be06c0cb4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSID2D7.tmp

          • Path C:\Windows\Installer\MSID2D7.tmp
          • Size 28KB
          • SHA256 f6e34a4550e499346f5ab1d245508f16bf765ff24c4988984b89e049ca55737f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 ba9e21f09a27fa8469ae977ccaf06a8206cdfbab8415e62e46e9c850276a5c2e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {0d416630-47e2-4fee-9fe1-eb67cba4bdf3}_OnDiskSnapshotProp

          • Path \??\Volume{c61fa831-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{0d416630-47e2-4fee-9fe1-eb67cba4bdf3}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 16d442c35f74c5f94d997719e0ce65cd30cb0db315bae1b4aab093e2d03d9eb4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4868-15-0x0000025D69E50000-0x0000025D6A7F4000-memory.dmp

          memory/4868-101-0x0000025D69E50000-0x0000025D6A7F4000-memory.dmp